Home / 104,903.28-144,764.68-57,156.96

Finding the Fourth Proportional to 104,903.28, 144,764.68 and 57,156.96

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Solution

The fourth proportional to 104,903.28, 144,764.68 and 57,156.96 is: 78,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,903.28 : 144,764.68 = 57,156.96 : x
  2. Step 2: Convert to fraction form
    104,903.28/144,764.68 = 57,156.96/x
  3. Step 3: Cross multiply
    104,903.28x = 144,764.68 × 57,156.96
  4. Step 4: Simplify right side
    104,903.28x = 8,274,309,024.17
  5. Step 5: Solve for x
    x = 8,274,309,024.17/104,903.28
  6. Step 6: Final answer
    x = 78,875.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.